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    <script>
    /* 
    <,>,<=,>=,==,!=,===
    比较运算中，先将两边的值转换为number，再比较
    结果返回boolean
    ===不仅值相同，类型也要相同
     */
     /* 特殊:== */
     var a=true;
     var b=1;
     var c="12";
     console.log(a===b);
     console.log(c>b);
    </script>
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